How do you get rid of your hair when you dye it black? How to quickly return it if it is dyed black

--- hair dyed black, theoretically can not change the color, but not absolutely, if the black you dye is semi-permanent, when washing the hair will fall black, the water that has been washed is also black, this hair dye is called semi-permanent, you can change the color again, with bleaching powder and hydrogen peroxide 1 to 1 to make a paste, and then apply to the hair, this process takes 10 to 30 minutes, depending on the thickness of the individual's hair, the thin time is shorter, and the thickness is relatively longer. The effect of bleaching out is; Red-yellow, red-gold, red-chestnut or red-brown are caused by the different qualities of various bleached powders.

- If the black color you choose is permanent, it will not fade when you wash your hair, and the water will not be black, so it is a bit difficult to change its original color, and even if you do it, the effect will not be very ideal. Bleaching powder**, the dosage of short hair is between 2-3 yuan, (small package), between 30-50 yuan for 500 grams of barrels, can be used dozens of times, a few dollars a bottle of 500 grams of hydrogen peroxide, the brand is imported and domestic, all in English, it is not easy to identify, and it can be bought in the hairdressing and beauty goods store! Operational precautions; Use a toothbrush and bowl as a tool, mix the two doses of the drug thoroughly and then use a toothbrush to evenly paste the mixture onto the hair, then the chemical reaction of the drug will produce heat, be careful not to burn the scalp.

If you want to return your hair if you dye it black, you can go to the barber shop and let the barber dye it the color you want.

The quick way to get rid of black is a combination of salt and vinegar and alkaline shampoo.

1. Salt and vinegar combination method. Add an appropriate amount of white vinegar and an appropriate proportion of salt to a basin of cold water, stir the two evenly, soak for 10 minutes, and then wash with hot water.

2. Alkaline shampoo. The neutralizing effect is combined with UV exposure and hair dryer drying, creating a natural fading effect.

Introduction to alkaline shampoos

Alkaline shampoo is a shampoo with a pH of 7, and ordinary shampoos are alkaline. Because alkaline shampoo has a good decontamination effect, it can damage the hair texture, making the hair cuticle open and frizzy and difficult to manage. Alkaline cleansing removes oil very quickly, leaving oily hair clean after use.

However, it will destroy the pH value of the hair in the long run, so you must use conditioner or something like that after using alkaline hair cleansers, otherwise the hair will get worse and worse. Alkaline shampoos are generally suitable for use before coloring or straightening hair, and when doing deep cleansing. Because if the hair is oily when dyeing the hair, it will not be easy to color.

The pH of the shampoo is controlled between the shampoo called weakly acidic shampoo. There is a natural protective layer called sebum film on the outermost part of our **, which has a pH value, which can be easily destroyed by many alkaline products, and a weakly acidic shampoo (which fits the acidic characteristics of the human body, and can deeply repair damaged hair and nourish the skin of the head.

The above content reference: Encyclopedia - alkaline shampoo.

Hair dyed black and faded with decolorizers, shampooed with hot water, shampooed with vinegar, washed with soap and washed with lemon juice.

1. Decolorizing agent

You can go to the barber shop yourself and ask the barber to help you use a decolorizer to decolorize, but the decolorizer has a certain harm, so you should try to avoid using it.

2. Shampoo your hair with hot water

Generally, hair dye products are easy to fade when they encounter high temperatures, so wash them with hot water several times and rub them vigorously to have a certain effect.

3. Wash your hair with vinegar

Since hair dye is alkaline, while vinegar is acidic, the chemical reaction that utilizes them can have a certain effect.

4. Wash your hair with soap

After washing your hair with soap, you can use a hair dryer to blow it semi-dry, but be careful to use conditioner, otherwise your hair will become easily tangled.

5. Use lemon juice to wash your hair quietly

You can squeeze the lemon juice at home, filter the impurities, and dilute the lemon juice to wash your hair, which is easier to fade than washing your hair with shampoo.

Hello, dear, if your hair is dyed black, you can quickly remove it according to the following methods1Baking soda can effectively remove the black color. Baking soda is a natural bleach that removes dye from the head to a certain extent and can lighten the color of the dye on your hair.

2.Anti-dandruff shampoos can also remove black color. Anti-dandruff shampoos cleanse better than regular shampoos, and people with dandruff need to use products that are more effective due to the excessive oil production that causes dandruff to fall off.

You can buy it at supermarkets and convenience stores. 3.Vitamin C powder.

If you haven't dyed your hair for more than three days, you can try this method. Grab a handful of vitamin C tablets and put them in a bowl, then pour hot water, mash them with a spoon to make a paste, apply them to your hair and hold them for an hour, then rinse them off with water. 4.

Vinegar removes the black color from the hair. Hair dye is alkaline, so using vinegar can be effectively removed. Mix equal parts white vinegar and warm water, soak your hair in water, wait until fifteen minutes, rinse with shampoo.

The only way to remove hair after dyeing black is to use a larger dose of bleaching pigment to remove it.

Black artificial pigments are the most difficult to bleach, and bleaching melanin is several times more damaging to hair than normal bleaching.

Chemicals that remove melanin from hair are often used by barbers before dyeing their hair. The formula is similar to hair dye, but has a stronger effect on corroding the hair. Long-term use is very easy to damage the hair.

Although it is often used to remove hair color, it is only used for black hair, and a small amount of use can turn black hair brown.